TY  - BOOK
AU  - Walters,John
AU  - Farmelo,Graham
ED  - Open University.
TI  - Discovering physics
SN  - 0335161251 (pbk).
PY  - 1982///
CY  - Milton Keynes
PB  - Open University Press
KW  - Quantum theory
N1  - At head of title; Unit 14; [Unit 15
ER  -